Physician Profile
Unclaimed ProfileAbout NISH
Based in Gainesville, GA, William A Nish, M.D. is listed in the NPI registry under allergy/immunology. William graduated from Medical College of Georgia School of Medicine in 1986. William is also listed as specialising in allergy, internal medicine, and allergy & immunology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Nish?
Dr. Nish is an allergy/immunology in Gainesville, GA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ALLERGY/IMMUNOLOGY”.
NPI registry
What is Dr. Nish's address?
Dr. Nish is listed at 2510 LIMESTONE PKWY, Gainesville, GA 30501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nish?
The number on file is (770) 534-9933. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nish?
Dr. Nish's National Provider Identifier is 1821097643. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nish train?
Dr. Nish attended Medical College of Georgia School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nish have?
Dr. Nish has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nish perform?
According to Medicare billing data, Dr. Nish provides treatments such as test for allergy using allergenic extract and test for allergy using allergenic extract injected into skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nish's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nish. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (770) 534-9933
- Email not available
Practice Locations
2510 LIMESTONE PKWY
Gainesville, GA 30501
Procedures Most Often Billed to Medicare
2,910 services · 474 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,795 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
388 |
| Professional service for multiple injections of allergen | Treatment | 95117 |
199 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
195 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
182 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
72 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
68 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other allergy/immunology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergy/immunology specialists in Gainesville 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Medical College of Georgia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Medical College of Georgia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 7
Providers in GA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.